PHP wpseo_replace_vars函数代码示例

 public function get_title_separator($separator)
 {
     if (class_exists('WPSEO_Option_Titles')) {
         $separator = wpseo_replace_vars('%%sep%%', array());
     }
     return $separator;
 }

 /**
  * Convert the given term into a analyzable object.
  *
  * @param mixed $item The term for which to build the analyzer data.
  *
  * @return array
  */
 protected function item_to_response($item)
 {
     $focus_keyword = $this->get_focus_keyword($item);
     $title = str_replace(' %%page%% ', ' ', $this->get_title($item));
     $meta = $this->get_meta_description($item);
     $description = $item->description;
     /**
      * Filter the term description for recalculation.
      *
      * @param string $description Content of the term. Modify to reflect front-end content.
      * @oaram WP_Term $item The term the description comes from.
      */
     $description = apply_filters('wpseo_term_description_for_recalculation', $description, $item);
     return array('term_id' => $item->term_id, 'taxonomy' => $item->taxonomy, 'text' => $description, 'keyword' => $focus_keyword, 'url' => urldecode($item->slug), 'pageTitle' => apply_filters('wpseo_title', wpseo_replace_vars($title, $item, array('page'))), 'meta' => apply_filters('wpseo_metadesc', wpseo_replace_vars($meta, $item)), 'keyword_usage' => array($focus_keyword => WPSEO_Taxonomy_Meta::get_keyword_usage($focus_keyword, $item->term_id, $item->taxonomy)));
 }

 /**
  * Map the posts to a response array
  *
  * @param WP_Post $item The post for which to build the analyzer data.
  *
  * @return array
  */
 protected function item_to_response($item)
 {
     $focus_keyword = WPSEO_Meta::get_value('focuskw', $item->ID);
     $content = $item->post_content;
     /**
      * Filter the post content for use in the SEO score recalculation.
      *
      * @param string $content Content of the post. Modify to reflect front-end content.
      * @param WP_Post $item The Post object the content comes from.
      */
     $content = apply_filters('wpseo_post_content_for_recalculation', $content, $item);
     // Apply shortcodes.
     $content = do_shortcode($content);
     return array('post_id' => $item->ID, 'text' => $content, 'keyword' => $focus_keyword, 'url' => urldecode($item->post_name), 'pageTitle' => apply_filters('wpseo_title', wpseo_replace_vars($this->get_title($item->ID, $item->post_type), $item)), 'meta' => apply_filters('wpseo_metadesc', wpseo_replace_vars($this->get_meta_description($item->ID, $item->post_type), $item)), 'keyword_usage' => array($focus_keyword => WPSEO_Meta::keyword_usage($focus_keyword, $item->ID)));
 }

 /**
  * Output the Google+ specific title
  */
 public function google_plus_title()
 {
     if (is_singular()) {
         $title = WPSEO_Meta::get_value('google-plus-title');
         /**
          * Filter: 'wpseo_googleplus_title' - Allow developers to change the Google+ specific title
          *
          * @api string $title The title string
          */
         $title = trim(apply_filters('wpseo_googleplus_title', $title));
         if (is_string($title) && $title !== '') {
             $title = wpseo_replace_vars($title, get_post());
             echo '<meta itemprop="name" content="', esc_attr($title), '">', "\n";
         }
     }
 }

 /**
  * @covers wpseo_replace_vars
  */
 public function test_wpseo_replace_vars()
 {
     // create author
     $user_id = $this->factory->user->create(array('user_login' => 'User_Login', 'display_name' => 'User_Nicename'));
     // create post
     $post_id = $this->factory->post->create(array('post_title' => 'Post_Title', 'post_content' => 'Post_Content', 'post_excerpt' => 'Post_Excerpt', 'post_author' => $user_id, 'post_date' => date('Y-m-d H:i:s', strtotime('2000-01-01 2:30:00'))));
     // get post
     $post = get_post($post_id);
     $input = '%%title%% %%excerpt%% %%date%% %%name%%';
     $expected = 'Post_Title Post_Excerpt ' . mysql2date(get_option('date_format'), $post->post_date, true) . ' User_Nicename';
     $output = wpseo_replace_vars($input, (array) $post);
     $this->assertEquals($expected, $output);
     /*
     			TODO
     			- Test all Basic Variables
     			- Test all Advanced Variables
     */
 }

 /**
  * Prepares the replace vars for localization.
  *
  * @return array replace vars
  */
 private function get_replace_vars()
 {
     $post = $this->get_metabox_post();
     $cached_replacement_vars = array();
     $vars_to_cache = array('date', 'id', 'sitename', 'sitedesc', 'sep', 'page', 'currenttime', 'currentdate', 'currentday', 'currentmonth', 'currentyear');
     foreach ($vars_to_cache as $var) {
         $cached_replacement_vars[$var] = wpseo_replace_vars('%%' . $var . '%%', $post);
     }
     return $cached_replacement_vars;
 }

 /**
  * Outputs the meta description element or returns the description text.
  *
  * @param bool $echo Whether or not to echo the description.
  * @return string
  */
 function metadesc($echo = true)
 {
     if (get_query_var('paged') && get_query_var('paged') > 1) {
         return;
     }
     global $post, $wp_query;
     $options = get_wpseo_options();
     $metadesc = '';
     if (is_singular()) {
         $metadesc = wpseo_get_value('metadesc');
         if ($metadesc == '' || !$metadesc) {
             if (isset($options['metadesc-' . $post->post_type]) && $options['metadesc-' . $post->post_type] != '') {
                 $metadesc = wpseo_replace_vars($options['metadesc-' . $post->post_type], (array) $post);
             }
         }
     } else {
         if (is_search()) {
             $metadesc = '';
         } else {
             if ($this->is_home_posts_page() && isset($options['metadesc-home'])) {
                 $metadesc = wpseo_replace_vars($options['metadesc-home'], array());
             } else {
                 if ($this->is_posts_page()) {
                     $metadesc = wpseo_get_value('metadesc', get_option('page_for_posts'));
                     if (($metadesc == '' || !$metadesc) && isset($options['metadesc-' . $post->post_type])) {
                         $page = get_post(get_option('page_for_posts'));
                         $metadesc = wpseo_replace_vars($options['metadesc-' . $post->post_type], (array) $page);
                     }
                 } else {
                     if ($this->is_home_static_page()) {
                         global $post;
                         $metadesc = wpseo_get_value('metadesc');
                         if (($metadesc == '' || !$metadesc) && isset($options['metadesc-' . $post->post_type])) {
                             $metadesc = wpseo_replace_vars($options['metadesc-' . $post->post_type], (array) $post);
                         }
                     } else {
                         if (is_category() || is_tag() || is_tax()) {
                             $term = $wp_query->get_queried_object();
                             $metadesc = wpseo_get_term_meta($term, $term->taxonomy, 'desc');
                             if (!$metadesc && isset($options['metadesc-' . $term->taxonomy])) {
                                 $metadesc = wpseo_replace_vars($options['metadesc-' . $term->taxonomy], (array) $term);
                             }
                         } else {
                             if (is_author()) {
                                 $author_id = get_query_var('author');
                                 $metadesc = get_the_author_meta('wpseo_metadesc', $author_id);
                                 if (!$metadesc && isset($options['metadesc-author'])) {
                                     $metadesc = wpseo_replace_vars($options['metadesc-author'], (array) $wp_query->get_queried_object());
                                 }
                             } else {
                                 if (function_exists('is_post_type_archive') && is_post_type_archive()) {
                                     $post_type = get_post_type();
                                     if (isset($options['metadesc-ptarchive-' . $post_type]) && '' != $options['metadesc-ptarchive-' . $post_type]) {
                                         $metadesc = $options['metadesc-ptarchive-' . $post_type];
                                     }
                                 }
                             }
                         }
                     }
                 }
             }
         }
     }
     $metadesc = apply_filters('wpseo_metadesc', trim($metadesc));
     if ($echo) {
         if (!empty($metadesc)) {
             echo '<meta name="description" content="' . esc_attr(strip_tags(stripslashes($metadesc))) . '"/>' . "\n";
         } else {
             if (current_user_can('manage_options') && is_singular()) {
                 echo '<!-- ' . __('Admin only notice: this page doesn\'t show a meta description because it doesn\'t have one, either write it for this page specifically or go into the SEO -> Titles menu and set up a template.', 'wordpress-seo') . ' -->' . "\n";
             }
         }
     } else {
         return $metadesc;
     }
 }

 /**
  * Output the OpenGraph description, specific OG description first, if not, grab the meta description.
  *
  * @param bool $echo Whether to echo or return the description
  *
  * @return string $ogdesc
  */
 public function description($echo = true)
 {
     $ogdesc = '';
     if (is_front_page()) {
         $ogdesc = $this->options['og_frontpage_desc'] !== '' ? $this->options['og_frontpage_desc'] : $this->metadesc(false);
     }
     if (is_singular()) {
         $ogdesc = WPSEO_Meta::get_value('opengraph-description');
         // Replace WP SEO Variables
         $ogdesc = wpseo_replace_vars($ogdesc, get_post());
         // Use metadesc if $ogdesc is empty
         if ($ogdesc === '') {
             $ogdesc = $this->metadesc(false);
         }
         // og:description is still blank so grab it from get_the_excerpt()
         if (!is_string($ogdesc) || is_string($ogdesc) && $ogdesc === '') {
             $ogdesc = str_replace('[…]', '…', strip_tags(get_the_excerpt()));
         }
     }
     if (is_category() || is_tag() || is_tax()) {
         $ogdesc = trim(strip_tags(term_description()));
     }
     // Strip shortcodes if any
     $ogdesc = strip_shortcodes($ogdesc);
     /**
      * Filter: 'wpseo_opengraph_desc' - Allow changing the OpenGraph description
      *
      * @api string $ogdesc The description string.
      */
     $ogdesc = apply_filters('wpseo_opengraph_desc', $ogdesc);
     if (is_string($ogdesc) && $ogdesc !== '') {
         if ($echo !== false) {
             $this->og_tag('og:description', $ogdesc);
         }
     }
     return $ogdesc;
 }

 /**
  * Generates the meta description text.
  */
 private function generate_metadesc()
 {
     global $post, $wp_query;
     $metadesc = '';
     $metadesc_override = false;
     $post_type = '';
     $template = '';
     if (is_object($post) && (isset($post->post_type) && $post->post_type !== '')) {
         $post_type = $post->post_type;
     }
     if (is_singular()) {
         if ($metadesc === '' && $post_type !== '' && isset($this->options['metadesc-' . $post_type])) {
             $template = $this->options['metadesc-' . $post_type];
             $term = $post;
         }
         $metadesc_override = WPSEO_Meta::get_value('metadesc');
     } else {
         if (is_search()) {
             $metadesc = '';
         } elseif ($this->is_home_posts_page()) {
             $template = $this->options['metadesc-home-wpseo'];
             $term = array();
             if (empty($template)) {
                 $template = get_bloginfo('description');
             }
         } elseif ($this->is_posts_page()) {
             $metadesc = WPSEO_Meta::get_value('metadesc', get_option('page_for_posts'));
             if ($metadesc === '' && $post_type !== '' && isset($this->options['metadesc-' . $post_type])) {
                 $page = get_post(get_option('page_for_posts'));
                 $template = $this->options['metadesc-' . $post_type];
                 $term = $page;
             }
         } elseif ($this->is_home_static_page()) {
             $metadesc = WPSEO_Meta::get_value('metadesc');
             if ($metadesc === '' && $post_type !== '' && isset($this->options['metadesc-' . $post_type])) {
                 $template = $this->options['metadesc-' . $post_type];
             }
         } elseif (is_category() || is_tag() || is_tax()) {
             $term = $wp_query->get_queried_object();
             $metadesc_override = WPSEO_Taxonomy_Meta::get_term_meta($term, $term->taxonomy, 'desc');
             if (is_object($term) && isset($term->taxonomy, $this->options['metadesc-tax-' . $term->taxonomy])) {
                 $template = $this->options['metadesc-tax-' . $term->taxonomy];
             }
         } elseif (is_author()) {
             $author_id = get_query_var('author');
             $metadesc = get_the_author_meta('wpseo_metadesc', $author_id);
             if ((!is_string($metadesc) || $metadesc === '') && '' !== $this->options['metadesc-author-wpseo']) {
                 $template = $this->options['metadesc-author-wpseo'];
             }
         } elseif (is_post_type_archive()) {
             $post_type = get_query_var('post_type');
             if (is_array($post_type)) {
                 $post_type = reset($post_type);
             }
             if (isset($this->options['metadesc-ptarchive-' . $post_type])) {
                 $template = $this->options['metadesc-ptarchive-' . $post_type];
             }
         } elseif (is_archive()) {
             $template = $this->options['metadesc-archive-wpseo'];
         }
         // If we're on a paginated page, and the template doesn't change for paginated pages, bail.
         if ((!is_string($metadesc) || $metadesc === '') && get_query_var('paged') && get_query_var('paged') > 1 && $template !== '') {
             if (strpos($template, '%%page') === false) {
                 $metadesc = '';
             }
         }
     }
     $post_data = $post;
     if (is_string($metadesc_override) && '' !== $metadesc_override) {
         $metadesc = $metadesc_override;
         if (isset($term)) {
             $post_data = $term;
         }
     } else {
         if ((!is_string($metadesc) || '' === $metadesc) && '' !== $template) {
             if (!isset($term)) {
                 $term = $wp_query->get_queried_object();
             }
             $metadesc = $template;
             $post_data = $term;
         }
     }
     $metadesc = wpseo_replace_vars($metadesc, $post_data);
     /**
      * Filter: 'wpseo_metadesc' - Allow changing the WP SEO meta description sentence.
      *
      * @api string $metadesc The description sentence.
      */
     $this->metadesc = apply_filters('wpseo_metadesc', trim($metadesc));
 }

/**
 * Used in the editor to replace vars for the snippet preview
 */
function wpseo_ajax_replace_vars()
{
    check_ajax_referer('wpseo-replace-vars');
    $post = get_post($_POST['post_id']);
    $omit = array('excerpt', 'excerpt_only', 'title');
    echo wpseo_replace_vars(stripslashes($_POST['string']), $post, $omit);
    die;
}

 /**
  * Get a single sitemap line to output in the xml sitemap
  *
  * @param $val
  * @param $key
  * @param $xtra
  *
  * @return null|string
  */
 private function get_single_sitemap_line($val, $key, $xtra)
 {
     $val = $this->clean_string($val);
     if (in_array($key, array('description', 'category', 'tag', 'title'))) {
         $val = ent2ncr(esc_html($val));
     }
     if (!empty($val)) {
         return "\t\t\t<video:" . $key . $xtra . '>' . wpseo_replace_vars($val, array()) . '</video:' . $key . ">\n";
     }
     return null;
 }

 public function _meta_keywords()
 {
     $wpseo_front = null;
     if (isset($GLOBALS['wpseo_front'])) {
         $wpseo_front = $GLOBALS['wpseo_front'];
     } elseif (class_exists('WPSEO_Frontend') && method_exists('WPSEO_Frontend', 'get_instance')) {
         $wpseo_front = WPSEO_Frontend::get_instance();
     }
     $current_action = $this->controller->get_current_action();
     switch ($current_action) {
         case 'showlisting':
             global $post;
             $listing_id = get_query_var('listing') ? wpbdp_get_post_by_slug(get_query_var('listing'))->ID : wpbdp_getv($_GET, 'id', get_query_var('id'));
             $prev_post = $post;
             $post = get_post($listing_id);
             if (is_object($wpseo_front)) {
                 $wpseo_front->metadesc();
                 $wpseo_front->metakeywords();
             }
             $post = $prev_post;
             break;
         case 'browsecategory':
         case 'browsetag':
             if ($current_action == 'browsetag') {
                 $term = get_term_by('slug', get_query_var('tag'), WPBDP_TAGS_TAX);
             } else {
                 $term = get_term_by('slug', get_query_var('category'), WPBDP_CATEGORY_TAX);
                 if (!$term && get_query_var('category_id')) {
                     $term = get_term_by('id', get_query_var('category_id'), WPBDP_CATEGORY_TAX);
                 }
             }
             if ($term) {
                 $metadesc = method_exists('WPSEO_Taxonomy_Meta', 'get_term_meta') ? WPSEO_Taxonomy_Meta::get_term_meta($term, $term->taxonomy, 'desc') : wpseo_get_term_meta($term, $term->taxonomy, 'desc');
                 if (!$metadesc && is_object($wpseo_front) && isset($wpseo_front->options['metadesc-tax-' . $term->taxonomy])) {
                     $metadesc = wpseo_replace_vars($wpseo_front->options['metadesc-tax-' . $term->taxonomy], (array) $term);
                 }
                 if ($metadesc) {
                     echo '<meta name="description" content="' . esc_attr(strip_tags(stripslashes($metadesc))) . '"/>' . "\n";
                 }
             }
             break;
         case 'main':
             if (is_object($wpseo_front)) {
                 $wpseo_front->metadesc();
                 $wpseo_front->metakeywords();
             }
             break;
         default:
             break;
     }
 }

 /**
  * Retrieve the page title.
  *
  * @param int $post_id Post to retrieve the title for.
  *
  * @return string
  */
 private function page_title($post_id)
 {
     $fixed_title = WPSEO_Meta::get_value('title', $post_id);
     if ($fixed_title !== '') {
         return $fixed_title;
     }
     $post = get_post($post_id);
     $options = WPSEO_Options::get_option('wpseo_titles');
     if (is_object($post) && (isset($options['title-' . $post->post_type]) && $options['title-' . $post->post_type] !== '')) {
         $title_template = $options['title-' . $post->post_type];
         $title_template = str_replace(' %%page%% ', ' ', $title_template);
         return wpseo_replace_vars($title_template, $post);
     }
     return wpseo_replace_vars('%%title%%', $post);
 }

function ctfw_event_calendar_head_title($title, $sep, $seplocation)
{
    global $post;
    $new_title = $title;
    // Theme supports this?
    $support = get_theme_support('ctfw-event-calendar-head-title');
    if (!empty($support)) {
        // Arguments from theme support or default
        $args = isset($support[0]) ? $support[0] : array();
        $args = wp_parse_args($args, array('page_template' => 'events-calendar.php'));
        // Only on event calendar page template
        if (is_page_template(CTFW_THEME_PAGE_TPL_DIR . '/' . $args['page_template'])) {
            $parts = array();
            // Get month
            if (!empty($_GET['month'])) {
                /* translators: this is the PHP date format used for <title> on event calendar months */
                $parts[] = date_i18n(_x('F Y', 'event calendar', 'church-theme-framework'), strtotime($_GET['month']));
            }
            // Get category
            if (!empty($_GET['category'])) {
                // Get term from slug
                $category = get_term_by('slug', $_GET['category'], 'ctc_event_category');
                // Get name
                if (!empty($category->name)) {
                    $parts[] = wptexturize($category->name);
                }
            }
            // Combine parts
            if ($parts) {
                // Is Yoast SEO plugin active?
                $wpseo_separator = '';
                if (function_exists('wpseo_replace_vars')) {
                    $wpseo_separator = trim(wpseo_replace_vars('%%sep%%', array()));
                    if (!empty($wpseo_separator)) {
                        $wpseo_separator = ' ' . $wpseo_separator . ' ';
                    }
                }
                // Get separator
                if ($wpseo_separator) {
                    // use Yoast SEO plugin's separator if available
                    $separator = $wpseo_separator;
                } else {
                    // otherwise fall back to ' | ' WordPress default
                    /* translators: separator for <title> content */
                    $separator = _x(' | ', 'head title', 'church-theme-framework');
                }
                // Combine month and category into suffix
                $month_category = $separator . implode($separator, $parts);
                // separator at left
                $month_category_right = implode($separator, $parts) . $separator;
                // separator at right
                // Post title was found in <title>
                // Insert month and category after that (e.g. Monthly Calendar - Month - Category - Site Title)
                $post_title = isset($post->post_title) ? wptexturize($post->post_title) : '';
                $post_title_esc = preg_quote($post_title);
                if (!empty($post_title) && preg_match('/' . $post_title_esc . preg_quote($separator) . '/', $title)) {
                    $new_title = preg_replace('/(' . $post_title_esc . ')/', '$1' . $month_category, $title);
                } else {
                    $site_title = get_bloginfo('name', 'display');
                    // wptexturize applied
                    $site_title_esc = preg_quote($site_title);
                    if (!empty($site_title)) {
                        // Is site title found at end of title?
                        // Insert month and category before that (e.g. Custom Title - Month - Category - Site Name)
                        if (preg_match('/' . $site_title_esc . '$/', $title)) {
                            $new_title = preg_replace('/(' . $site_title_esc . ')$/', $month_category_right . '$1', $title);
                        } else {
                            $new_title .= $month_category;
                        }
                    }
                }
            }
        }
    }
    return $new_title;
}

 /**
  * @covers WPSEO_Frontend::get_title_from_options
  */
 public function test_get_title_from_options()
 {
     // should return an empty string
     $this->assertEmpty(self::$class_instance->get_title_from_options('__not-existing-index'));
     // create and go to post
     $post_id = $this->factory->post->create();
     $this->go_to(get_permalink($post_id));
     $var_source = (array) get_queried_object();
     $expected_title = wpseo_replace_vars('%%title%% %%sep%% %%sitename%%', $var_source);
     $this->assertEquals($expected_title, self::$class_instance->get_title_from_options('__not-existing-index', $var_source));
     // test with an option that exists
     $index = 'title-post';
     $expected_title = wpseo_replace_vars(self::$class_instance->options[$index], $var_source);
     $this->assertEquals($expected_title, self::$class_instance->get_title_from_options($index, $var_source));
 }